Systemd/src/test/test-glob-util.c
Zbigniew Jędrzejewski-Szmek 48d7c64805 basic: add readdir_no_dot and safe_glob functions
safe_glob filters out "." and "..".

This converts all users of glob_extend() and glob_exists() to safe_glob.
2017-04-27 13:20:08 -04:00

117 lines
3.2 KiB
C

/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <fcntl.h>
#include <glob.h>
#include <sys/stat.h>
#include <unistd.h>
#include "alloc-util.h"
#include "dirent-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "glob-util.h"
#include "macro.h"
#include "rm-rf.h"
static void test_glob_exists(void) {
char name[] = "/tmp/test-glob_exists.XXXXXX";
int fd = -1;
int r;
fd = mkostemp_safe(name);
assert_se(fd >= 0);
close(fd);
r = glob_exists("/tmp/test-glob_exists*");
assert_se(r == 1);
r = unlink(name);
assert_se(r == 0);
r = glob_exists("/tmp/test-glob_exists*");
assert_se(r == 0);
}
static void test_glob_no_dot(void) {
char template[] = "/tmp/test-glob-util.XXXXXXX";
const char *fn;
_cleanup_globfree_ glob_t g = {
.gl_closedir = (void (*)(void *)) closedir,
.gl_readdir = (struct dirent *(*)(void *)) readdir_no_dot,
.gl_opendir = (void *(*)(const char *)) opendir,
.gl_lstat = lstat,
.gl_stat = stat,
};
int r;
assert_se(mkdtemp(template));
fn = strjoina(template, "/*");
r = glob(fn, GLOB_NOSORT|GLOB_BRACE|GLOB_ALTDIRFUNC, NULL, &g);
assert_se(r == GLOB_NOMATCH);
fn = strjoina(template, "/.*");
r = glob(fn, GLOB_NOSORT|GLOB_BRACE|GLOB_ALTDIRFUNC, NULL, &g);
assert_se(r == GLOB_NOMATCH);
(void) rm_rf(template, REMOVE_ROOT|REMOVE_PHYSICAL);
}
static void test_safe_glob(void) {
char template[] = "/tmp/test-glob-util.XXXXXXX";
const char *fn, *fn2, *fname;
_cleanup_globfree_ glob_t g = {};
int r;
assert_se(mkdtemp(template));
fn = strjoina(template, "/*");
r = safe_glob(fn, 0, &g);
assert_se(r == -ENOENT);
fn2 = strjoina(template, "/.*");
r = safe_glob(fn2, GLOB_NOSORT|GLOB_BRACE, &g);
assert_se(r == -ENOENT);
fname = strjoina(template, "/.foobar");
assert_se(touch(fname) == 0);
r = safe_glob(fn, 0, &g);
assert_se(r == -ENOENT);
r = safe_glob(fn2, GLOB_NOSORT|GLOB_BRACE, &g);
assert_se(r == 0);
assert_se(g.gl_pathc == 1);
assert_se(streq(g.gl_pathv[0], fname));
assert_se(g.gl_pathv[1] == NULL);
(void) rm_rf(template, REMOVE_ROOT|REMOVE_PHYSICAL);
}
int main(void) {
test_glob_exists();
test_glob_no_dot();
test_safe_glob();
return 0;
}